User manual
6.9 Information .................................................................. 135
6.9.1 RaidSet Hierarchy ..................................................... 135
6.9.2 System Information .................................................. 136
6.9.3 Hardware Monitor ..................................................... 136
Appendix A ................................................................. 138
Upgrading Flash ROM Update Process .................................... 138
Upgrading Firmware Through McRAID Storage Manager ........... 138
Upgrading Firmware Through nash DOS Utility ...................... 140
Appendix B .................................................................. 142
Battery Backup Module (ARC6120-BAT-Txx) ........................... 142
BBM Components ........................................................... 142
Status of BBM ................................................................ 142
Installation .................................................................... 142
Battery Backup Capacity .................................................. 143
Operation ...................................................................... 143
Changing the Battery Backup Module ................................ 143
BBM Specications .......................................................... 144
Appendix C .................................................................. 145
SNMP Operation & Denition ................................................ 145
Appendix D .................................................................. 152
Event Notication Congurations ........................................ 152
A. Device Event .............................................................. 152
B. Volume Event ............................................................. 153
C. RAID Set Event .......................................................... 154
D. Hardware Monitor Event .............................................. 154
Appendix E .................................................................. 156
RAID Concept ......................................................... 156
RAID Set ......................................................................... 156
Volume Set ...................................................................... 156
Ease of Use Features ......................................................... 157
• Foreground Availability/Background Initialization .............. 157
• Online Array Roaming ................................................... 157
• Online Capacity Expansion ............................................. 157
• Online RAID Level and Stripe Size Migration .................... 159
• Online Volume Expansion .............................................. 160
High availability .................................................................. 160
• Global Hot Spares .......................................................... 160
• Hot-Swap Disk Drive Support .......................................... 161
• Auto Declare Hot-Spare ................................................. 161
• Auto Rebuilding ............................................................ 162